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I just wonder if hacking, like the hacking for wii where you don't need a modchip to hack is possible for the DSi. Since you got about the same possibilities as with the wii, ex: SD-card slot.
Well, is it possible?
Have it been done already? If not someone really should make it

Come back and ask that question when google search actually gives you results on DSi homebrew, because the wii and the DSi are hellishly different. Why would you compare a wired console with a handheld, why would the DSi be equal in protection to the Wii when Nintendo knows there is so much hacking going around, why would having an SD slot have any chances if Wii homebrew started from the CD before anything else, why would I post such rhetorical questions on this matter?
It all boils down to a couple short words:
DSi hacking is nowhere (and that is stated roughly 3 threads below this one great job with the search bar -_-"). IF it were somewhere, there would be no need to ask the dam question (great job with the googling).

I present to you: "DSi Encryption Put In Perspective", also known as "I Love Crushing People's Dreams".

The DSi uses 128-bit encryption (IIRC).
How do you break it? You find the correct encryption key.

How many encryption keys are there? 2 (binary, a bit) to the 128th power (number of bits).
That's so many that the calculator that comes with windows (at least XP) can't even display the number without reverting to scientific notation.

128-bits is...
340,282,366,920,938,463,463,374,607,431,768,211,456 possible keys.The actual number is a bit less less since a key will be a certain number of digits and be designed to not have repeating segments, but this puts it in perspective.

Even if I remember incorrectly and DSi uses 64-bit encryption, that's still a god-awful number (18 sextillion, I think the name is) of possible keys to try.

Let's say that you have a computer program which can try 50,000 keys a second.
That's 3,000,000 keys a minute.
180,000,000 keys in an hour.
4,320,000,000 keys a day.
1,576,800,000,000 keys in one year.

It would take 215,805,661,416,120,283,779,410,583 years to try all the keys at that speed.

So wait, how do they break other systems? If you can get a direct copy of the encrypted data and compare it to a copy of the unencrypted data (as well as view the data as it's transmitted around the DSi's internals), that goes a long way towards figuring out the key without having to try all possible combinations. You'll be able to find the key without all the guessing! The problem is you'd need to take a DSi apart and fuck with it's insides while it's on to try to get a copy of the data while it's unencrypted (since the DSi will unencrypt what it needs on the fly in order to use it), and usually when you're done with that the DSi's pretty broken and in no shape to game, or even to be experimented on a second time...

This process can be hampered by the internal design of the system, so you may need to take apart many systems before you even figure out how to read some of the data, let alone get a full copy of it, and last I checked DSi's don't cost $5...

I present to you: "DSi Encryption Put In Perspective", also known as "I Love Crushing People's Dreams".

The DSi uses 128-bit encryption (IIRC).
How do you break it? You find the correct encryption key.

How many encryption keys are there? 2 (binary, a bit) to the 128th power (number of bits).
That's so many that the calculator that comes with windows (at least XP) can't even display the number without reverting to scientific notation.

128-bits is...
340,282,366,920,938,463,463,374,607,431,768,211,456 possible keys.The actual number is a bit less less since a key will be a certain number of digits and be designed to not have repeating segments, but this puts it in perspective.

Even if I remember incorrectly and DSi uses 64-bit encryption, that's still a god-awful number (18 sextillion, I think the name is) of possible keys to try.

Let's say that you have a computer program which can try 50,000 keys a second.
That's 3,000,000 keys a minute.
180,000,000 keys in an hour.
4,320,000,000 keys a day.
1,576,800,000,000 keys in one year.

It would take 215,805,661,416,120,283,779,410,583 years to try all the keys at that speed.

So wait, how do they break other systems? If you can get a direct copy of the encrypted data and compare it to a copy of the unencrypted data (as well as view the data as it's transmitted around the DSi's internals), that goes a long way towards figuring out the key without having to try all possible combinations. You'll be able to find the key without all the guessing! The problem is you'd need to take a DSi apart and fuck with it's insides while it's on to try to get a copy of the data while it's unencrypted (since the DSi will unencrypt what it needs on the fly in order to use it), and usually when you're done with that the DSi's pretty broken and in no shape to game, or even to be experimented on a second time...

This process can be hampered by the internal design of the system, so you may need to take apart many systems before you even figure out how to read some of the data, let alone get a full copy of it, and last I checked DSi's don't cost $5...

EDIT: Updated the math to be more precise.

Click to expand...

Dam, either you type fast or you copy/pasted some of that. I'm pretty sure I wasn't thinking THAT hard on my post xD.

I present to you: "DSi Encryption Put In Perspective", also known as "I Love Crushing People's Dreams".

The DSi uses 128-bit encryption (IIRC).
How do you break it? You find the correct encryption key.

How many encryption keys are there? 2 (binary, a bit) to the 128th power (number of bits).
That's so many that the calculator that comes with windows (at least XP) can't even display the number without reverting to scientific notation.

128-bits is...
340,282,366,920,938,463,463,374,607,431,768,211,456 possible keys.The actual number is a bit less less since a key will be a certain number of digits and be designed to not have repeating segments, but this puts it in perspective.

Even if I remember incorrectly and DSi uses 64-bit encryption, that's still a god-awful number (18 sextillion, I think the name is) of possible keys to try.

Let's say that you have a computer program which can try 50,000 keys a second.
That's 3,000,000 keys a minute.
180,000,000 keys in an hour.
4,320,000,000 keys a day.
1,576,800,000,000 keys in one year.

It would take 215,805,661,416,120,283,779,410,583 years to try all the keys at that speed.

So wait, how do they break other systems? If you can get a direct copy of the encrypted data and compare it to a copy of the unencrypted data (as well as view the data as it's transmitted around the DSi's internals), that goes a long way towards figuring out the key without having to try all possible combinations. You'll be able to find the key without all the guessing! The problem is you'd need to take a DSi apart and fuck with it's insides while it's on to try to get a copy of the data while it's unencrypted (since the DSi will unencrypt what it needs on the fly in order to use it), and usually when you're done with that the DSi's pretty broken and in no shape to game, or even to be experimented on a second time...

This process can be hampered by the internal design of the system, so you may need to take apart many systems before you even figure out how to read some of the data, let alone get a full copy of it, and last I checked DSi's don't cost $5...

EDIT: Updated the math to be more precise.

Click to expand...

Dam, either you type fast or you copy/pasted some of that. I'm pretty sure I wasn't thinking THAT hard on my post xD.

It's like the third or fourth time I've posted it, I just modify it a little each time to include more info or be a bit easier to read. It doesn't cover software exploits to run unsigned code, but those aren't as much of a "stop asking" to the face as this is.

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